Thaw and brown both sides the chicken breast in a pan with some oil and butter. After chicken is browned, add a little white wine or water.
Turn down, and let simmer covered for about 10 minutes.
Cut the chicken breast in half to make sure it is cooked. Then slice.
Cut broccoli into little tress (does not have to be small)
Stir fry in a pan with oil until darker green, then add water.